#include<bits/stdc++.h>
#include <string>
using namespace std;
class rectangle{
private:
int length,width;
public:
void set(int x,int y){
length=x;
width=y;
}
int getlength(){
return length;
}
int getwidth(){
return width;
}
int area(){
return length*width;
}
// write your code here......
string cancover(const rectangle &b)
{
string y = "yes", n = "no";
if(length >= b.length && width >= b.width || length >= b.width && width >= b.length)return y;
else return n;
}
};
int main(){
int l1,w1,l2,w2;
cin>>l1>>w1>>l2>>w2;
rectangle a,b;
a.set(l1,w1);
b.set(l2,w2);
cout<<a.cancover(b);
return 0;
}